/Engine/Source/Runtime/MovieScene/Public/EntitySystem/MovieSceneEntityManager.h
Does not check whether the components exist on the same entity, just that they are present in the manager. Use Contains for a thorough filter match.
true if each of the specified components exist anywhere in this manager, false otherwise
bool ContainsAllComponents ( std::initializer_list< [FComponentTypeID](API\Runtime\MovieScene\EntitySystem\FComponentTypeID) > ComponentTypeIDs ) const